A Group of Six Individuals with High Cholesterol Levels Were

question 20

Multiple Choice

A group of six individuals with high cholesterol levels were given a new diet designed to lower cholesterol levels. Cholesterol levels, in milligrams per deciliter, were measured before and after the implementation of the diet for each individual, with the following results:
$\begin{array} { c c c } \hline \text { Individual } & \text { Before } & \text { After } \\\hline 1 & 254 & 199 \\2 & 246 & 201 \\3 & 225 & 195 \\4 & 216 & 208 \\5 & 205 & 184 \\6 & 228 & 203\end{array}$
Find the 95% confidence interval for the mean reduction in cholesterol level.

• A)(12.87, 48.46)
• B)(11.09, 9.85)
• C)(11.98, 50.24)
• D)(9.85, 51.49)

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